Observatories

Portland Observatory

The Portland Observatory (1807), located at 138 Congress St., is the last remaining maritime signal tower (it’s not a lighthouse) in the United States. It became a National Historic Landmark in 1971. Visitors will be treated to historical exhibits, guided tours, gift shop, and spectacular views of Portland Harbor.

Plan Your Visit

Getting There & Details

Address
138 Congress St.
Phone
(207) 774-5561
Website
www.portlandlandmarks.org
Map
Get Directions →
While You're in Portland

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Explore all of Portland →

Upcoming Events

Events in Portland

Sep
6
Miss Maine U.S. International 2014
Oct
3–4
The Portland Green Home and Living Show
Oct
6
DownEast Pride Alliance (DEPA) “Business After Hours” Networking Event
Nov
6
Tree Lighting Ceremony
Nov–Dec
6–4
Light up your Holidays
Nov
13–29
Free Horse and Wagon Rides
Nov
13–29
Free Horse and Wagon Rides